For Iphone 4 Protection Battery Case Description:

 
1. Compatible with both iPhone 4G&iPhone 4S;

2. Rubberized ABS plastic;

3. Full protection design;

4.   Li-ion polymer rechargeable battery: 2000mAh;

5.   Output: 5V/700ma MAX;

6.    Input:5V/1A max

7.   Weight: 70g / pc

8.   With 1 pc USB cable

9.   Certificate:CE&ROHS

It could provide : Up to 6 hours talking time

                              Up to 230 hours standby time

                              Up to 30 hours autio -play

                              Up to 5.5 hours on 3GS

When use the USB cable to charge iphone and battery case together, it will fristly charge iphone and then battery case ; But when there is no USB cable charging ; the battery case will charge iphone!

 

We could accept OEM;  one year quality warranty ; less than 3 days production time !